src/target/arm11_dbgtap.h

   1 #ifndef ARM11_DBGTAP_H
   2 #define ARM11_DBGTAP_H
   3
   4 #include "arm11.h"
   5
   6 /* ARM11 internals */
   7
   8 void arm11_setup_field(struct arm11_common *arm11, int num_bits,
   9                 void *in_data, void *out_data, struct scan_field *field);
  10 void arm11_add_IR(struct arm11_common *arm11,
  11                 uint8_t instr, tap_state_t state);
  12 int arm11_add_debug_SCAN_N(struct arm11_common *arm11,
  13                 uint8_t chain, tap_state_t state);
  14 void arm11_add_debug_INST(struct arm11_common *arm11,
  15                 uint32_t inst, uint8_t *flag, tap_state_t state);
  16 int arm11_read_DSCR(struct arm11_common *arm11, uint32_t *dscr);
  17 int arm11_write_DSCR(struct arm11_common *arm11, uint32_t dscr);
  18
  19 enum target_debug_reason arm11_get_DSCR_debug_reason(uint32_t dscr);
  20
  21 int arm11_run_instr_data_prepare(struct arm11_common *arm11);
  22 int arm11_run_instr_data_finish(struct arm11_common *arm11);
  23 int arm11_run_instr_no_data(struct arm11_common *arm11,
  24                 uint32_t *opcode, size_t count);
  25 int arm11_run_instr_no_data1(struct arm11_common *arm11, uint32_t opcode);
  26 int arm11_run_instr_data_to_core(struct arm11_common *arm11,
  27                 uint32_t opcode, uint32_t *data, size_t count);
  28 int arm11_run_instr_data_to_core_noack(struct arm11_common *arm11,
  29                 uint32_t opcode, uint32_t *data, size_t count);
  30 int arm11_run_instr_data_to_core1(struct arm11_common *arm11,
  31                 uint32_t opcode, uint32_t data);
  32 int arm11_run_instr_data_from_core(struct arm11_common *arm11,
  33                 uint32_t opcode, uint32_t *data, size_t count);
  34 int arm11_run_instr_data_from_core_via_r0(struct arm11_common *arm11,
  35                 uint32_t opcode, uint32_t *data);
  36 int arm11_run_instr_data_to_core_via_r0(struct arm11_common *arm11,
  37                 uint32_t opcode, uint32_t data);
  38
  39 int arm11_add_dr_scan_vc(int num_fields, struct scan_field *fields,
  40                 tap_state_t state);
  41 int arm11_add_ir_scan_vc(int num_fields, struct scan_field *fields,
  42                 tap_state_t state);
  43
  44 /**
  45  * Used with arm11_sc7_run to make a list of read/write commands for
  46  * scan chain 7
  47  */
  48 struct arm11_sc7_action
  49 {
  50         bool write; /**< Access mode: true for write, false for read. */
  51         uint8_t address; /**< Register address mode. Use enum #arm11_sc7 */
  52         /**
  53          * If write then set this to value to be written.  In read mode
  54          * this receives the read value when the function returns.
  55          */
  56         uint32_t value;
  57 };
  58
  59 int arm11_sc7_run(struct arm11_common *arm11,
  60                 struct arm11_sc7_action *actions, size_t count);
  61
  62 /* Mid-level helper functions */
  63 void arm11_sc7_clear_vbw(struct arm11_common *arm11);
  64 void arm11_sc7_set_vcr(struct arm11_common *arm11, uint32_t value);
  65
  66 int arm11_read_memory_word(struct arm11_common *arm11,
  67                 uint32_t address, uint32_t *result);
  68
  69 #endif // ARM11_DBGTAP_H